Cannabis growth stages

In this article, you will learn common facts and techniques about the cultivation of Cannabis plant, mainly for the production and consumption of cannabis flowers.

Cultivation requirements 

Cannabis requires certain conditions to flourish. Such conditions include:

Growth medium– soil with sufficient nutrients is needed. The pH of the soil should be between 5.8 and 6.8

Warmth – The ideal temperature range for cannabis is 24 to 30 degree Celsius. Temperatures below 15 degree Celsius and above 31 degree Celsius seem to slow growth and decreases THC potency.

Light – Light can be artificial or natural. Under artificial light, Cannabis plant remains under a regime of 0-8 hours of darkness and 16-2 hours of light from germination until flowering. However, Cannabis plant, in general, requires only 13 hours of continuous light to remain in its vegetative state.

Water – watering amount and frequency is determined by various factors such as light and temperature, size, age and stage of growth, as well as the ability of the medium to retain water. Lack of water leads to wilting of leaves while too much water can kill the plant.

Other cultivation factors that should be considered include humidity and nutrients.

Stages of development  

Germination 

During germination, seeds sprout and roots emerge. This process takes between 12 hours to 8 days in Cannabis. Darkness, moisture, and warmth trigger the metabolic process by activating hormones responsible for growth.

Germination can also be initiated by soaking the seeds either in a cup of water or wet paper towels at room temperature.

Seedling phase 

The seedling phase starts as soon as the seed coat splits and exposes the root. It is the period of most significant vulnerability in the life cycle of the cannabis plant that lasts from 1 to 4 weeks. Seedling stage requires medium to high light intensity, moderate humidity levels, and adequate soil moisture.

Many indoor Cannabis farmers use compact fluorescent lights during this phase as they produce little heat. MH and HPS lights produce excessive amounts of radiant heat, which can dry out seedlings.   Vegetative phase 

The vegetative stage lasts between 1 to 2 months. During this duration, the plant needs a significant amount of nutrients and light depending on the plant genetics arrangement. The plant continues to grow and produce new flowers.

Similarly, the sex begins to reveal itself – a sign that the next stage starts. The root systems expand in search of more food and water as well.

Pre-flowering phase 

It takes 1 -2 weeks. Most plants take 10 to 14 days in this stage after converting the light cycle to twelve hours of darkness.

Flowering phase 

The flowering stage alternate from about 6 – 22 weeks for pure indicas than pure sativas. A combination of sativa/indica strain has an intermediate flowering time.

Harvesting 

The primary indicator that a Cannabis plant is ready for harvesting is when most trichomes turn cloudy and when 5 – 15 per cent of the trichomes have turned reddish brown.

Conclusion 

Overall, the growth of the Cannabis plant is quite simple among Cannabis farmers with years of experience. From germination stage all the way to harvesting phase, some specific conditions must be right for optimum results including temperature, humidity, nutrients, light, and water. Cannabis farms should also have the ideal soil PH.

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